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Artwork for Inside Java

Inside Java

David Delabassee
Java
Foreign Function and Memory API
JDK 24
Openjdk
Project Panama
Project Amber
Java Development Kit
Java 1 Conference 2025
JDK 22
Native Libraries
Oracle
Virtual Threads
Javadoc
Java Native Interface
Project Leiden
Project Loom
Java Virtual Machine
Applets
Records
Lucene

Inside Java is a podcast for Java Developers brought to you directly from the people that make Java at Oracle. We'll discuss the language, the JVM, OpenJDK, platform security, innovation projects like Loom and Panama, and everything in between.

PublishesWeeklyEpisodes57Founded6 years ago
Number of ListenersCategory
Technology

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Artwork for Inside Java

Latest Episodes

Flexible constructor bodies were added to Java 25 with JEP 513. In this episode of the Inside Java Newscast Billy Korando will review the issues with how constructors used to work before Java 25, either forcing developers to write convoluted code, or... more

In JavaOne 2026's closing session, audience members had the opportunity to ask the Java architects questions. They asked about the state of structured concurrency and Project Babylon, how Java is being developed and the role AI plays in that process,... more

With JDK 26 / JEP 500 starting to prevent final field mutation through reflection, it is important that Java projects stop employing that practice.

For more, check inside.java/podcast

G1 is Java's default garbage collector in most environments, and its throughput has been considerably improved in JDK 26 by streamlining its write barriers. This conversation explores the background of that change and dives deep into regions, write b... more

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Recent Guests

John Rose
Java architect
Oracle
Episode: "Ask the Architects at JavaOne'26" [AtA]
Brian Gatz
Java architect
Oracle
Episode: "Ask the Architects at JavaOne'26" [AtA]
Alex Buckley
Java architect
Oracle
Episode: "Ask the Architects at JavaOne'26" [AtA]
Paul Sandals
Java architect
Oracle
Episode: "Ask the Architects at JavaOne'26" [AtA]
Dan Heidinger
Java architect
Oracle
Episode: "Ask the Architects at JavaOne'26" [AtA]
Stefan Johansson
Hotspot Garbage Collection Engineer at Oracle
Oracle
Episode: "How JDK 26 Improves G1's Throughput" [AtA]
Brian Goetz
Java language architect at the Java Platform Group
Oracle
Episode: "Java Carrier Classes & Discussing Syntax" [AtA]
Daniel Fuchs
Consulting member of technical staff at Oracle and OpenJDK committer
Oracle/OpenJDK
Episode: "HTTP/3 in Java" [ATA]
Daniel Jelinski
Consulting member of technical staff at Oracle and OpenJDK committer
Oracle/OpenJDK
Episode: "HTTP/3 in Java" [ATA]

Host

Nicolai Parlog
Host of Inside Java, involves in discussions surrounding updates and innovations in the Java ecosystem.

Reviews

4.9 out of 5 stars from 140 ratings
  • Number One Java Podcast

    This is the number one podcast for Java. Together with the inside.java site it provides everything I need to stay up to date.

    Apple Podcasts
    5
    Weißes Waldvögelein
    Germany4 years ago
  • Great podcast

    Thank you!

    Apple Podcasts
    5
    awise111
    United States4 years ago
  • Fantastic podcast, a must listen for all Java developers.

    So glad to have found this.

    Keep up the good work ?

    Podcast Addict
    5
    mike
    4 years ago
  • Fantastic podcast, a must listen for all Java developers.

    So glad to have found this.

    Keep up the good work ?

    Podcast Addict
    mike
    4 years ago
  • Fantastic podcast, a must listen for all Java developers.

    So glad to have found this.

    Keep up the good work 🙂

    Podcast Addict
    5
    mike
    4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

There is a strong call for deeper exploration of certain topics, suggesting that the audience desires content that is even more in-depth.
Listeners appreciate the up-to-date information on Java developments shared directly from Oracle professionals.
Many reviews indicate that the content is both informative and entertaining, making it a top choice for Java developers.
The podcast is highly regarded for its technical depth and engaging discussions featuring prominent Java figures.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#238
Italy/Technology
Apple Podcasts
#62
Switzerland/Technology
Apple Podcasts
#134
Poland/Technology
Apple Podcasts
#178
Sweden/Technology
Apple Podcasts
#216
Argentina/Technology
Apple Podcasts
#228
Austria/Technology

Talking Points

Recent interactions between the hosts and their guests.

"How JDK 26 Improves G1's Throughput" [AtA]
Q: If people wonder what happened to throughput in G1 and why barriers were heavy, how would you explain it simply?
The heavy barriers were mainly to support precise concurrent marking and cross-generational references, but in JDK 26 we split work across two card tables and coarse-grain the synchronization to reduce the overhead while preserving correctness and latency guarantees.
"Java Carrier Classes & Discussing Syntax" [AtA]
Q: How did the first carrier-class proposal differ from the second?
The first proposal introduced a component list that effectively required an external contract and tried to extend many records-like capabilities to classes; the second proposal shifted to a more focused deconstruction concept anchored in class API, enabling reconstruction without imposing wide-ranging boilerplate changes.
"Java Carrier Classes & Discussing Syntax" [AtA]
Q: What is Project Amber and why carrier classes?
Project Amber is a umbrella for productivity-oriented language features, aimed at making the language more pleasant to program by introducing smaller, more focused features that extend the capabilities beyond records and pattern matching, including deconstruction and reconstruction concepts.
"From Sumatra to Panama, from Babylon to Valhalla" with John Rose
Q: What is the significance of projects like Valhalla and Panama in the future of Java?
These projects aim to enhance Java's performance and features by integrating new paradigms without compromising existing compatibility, ensuring Java stays relevant in evolving tech landscapes.
"Efficient Initialization Using Stable Values" with Per Minborg
Q: What are table values? What's the story behind them?
Per describes table values as a concept he has worked on with a colleague, explaining the transition from lazy initialization to deferred immutability.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Inside Java

What is Inside Java about and what kind of topics does it cover?

This podcast focuses on Java development, providing in-depth discussions on various aspects of the Java programming language, the Java Virtual Machine (JVM), and the OpenJDK platform. Episodes feature key insights from both developers and architects involved in the evolution of Java, facilitating a deeper understanding of emerging projects, language enhancements, and best practices in the Java ecosystem. The format includes interviews with significant figures in the Java community, ensuring listeners receive firsthand accounts of ongoing innovations and updates that shape the future of Java.

Listeners can expect a blend of technical discussions and community engagement topics, such as the introduction of new features, project updates like ... more

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How many episodes of Inside Java are there?

Inside Java launched 6 years ago and published 57 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Inside Java?

Recent guests on Inside Java include:

1. John Rose
2. Brian Gatz
3. Alex Buckley
4. Paul Sandals
5. Dan Heidinger
6. Stefan Johansson
7. Brian Goetz
8. Daniel Fuchs

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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